1901,28.1,28.8,28.9,29.4,30.3,30.4,30.4,31.3,31.4,30.7,29.6,28.6
1902,27.9,28.8,28.1,28.8,29.4,30,30.7,31,30.9,30.4,29.5,28.8
1903,28.6,28.5,28.3,29,30.4,31.1,30.9,31,30.8,30.6,29.5,28.4
1904,28,27.8,28.1,28.1,29.6,30.1,30.2,30.1,30.5,30.1,29.8,28.7
1905,27.9,28.3,28.3,29.1,29.2,30.5,31,31.3,31.1,30.2,30.2,28.8
1906,27.9,28,28.3,28.6,29.9,30,30.5,31.2,31,30.8,30.1,27.5
1907,26.6,27.1,27.5,29.3,29.6,30.2,30.7,30.9,30.7,30,29.3,28.4
1908,28.4,27.7,28.5,29.1,31.1,30.9,31.1,31.6,31,30.5,28.7,27.5
1909,27,26.6,29.3,28.4,29.8,29.8,30.7,30.3,31.1,30.4,27.8,27.3
1910,26.5,26.5,27.4,28.5,29.3,29.8,30.3,30.1,31.4,29.9,29.9,28.5
1911,26.7,27.2,27.5,29.7,29.3,31,30.7,31.3,31.1,30.7,30.4,28.6
1912,28.7,29,29.4,28.9,30.2,30.2,31.2,31.2,31.3,30.3,29.8,28.9
1913,27.5,27.3,27.6,27.2,30.3,29.3,29.9,30.7,30.9,31.8,29,27.8
1914,27.4,27.5,28.1,28.5,29.5,29.6,30.8,31.2,31.4,30.9,30.2,29.7
1915,27.8,27.4,29.8,27.7,30.3,30.5,31.1,31.2,31.2,31.2,29.9,28.3
1916,26.9,27.1,27.8,29,30,30.9,31,31,30.6,29.7,29.1,27.9
1917,27,27,28.1,28.8,29.8,29.3,30.3,30.5,30.6,31.8,28.7,27.5
1918,27.8,27.3,28.4,28.7,28.4,29.7,30.4,31.4,31.4,30.8,29.5,29.1
1919,28.4,29.2,28.9,27.7,30.7,30.5,30.2,30.9,30.7,30.2,29.5,28.8
1920,27.8,28.1,28.6,29.9,31.2,30.7,30.8,31.1,31,30.4,29.7,28.8
1921,27.5,28.6,28.1,28.2,29.4,30.9,30,30.5,30.5,30.6,29.8,28.6
1922,27.4,26.7,27.7,29.6,29.6,29.7,30.5,31,30.8,30.4,29.1,27.6
1923,26.9,27.1,27.6,28.1,30.9,30.1,30.7,31.2,31.8,31.1,30.2,28.5
1924,27.7,27.5,28.6,29.3,31,30.1,30.6,31.1,31.2,30.7,30,28.7
1925,27.7,27.3,28.5,30.3,30.1,31.1,30.1,31.2,31.4,30.9,31.3,28.6
1926,28,29.5,28.8,29.9,31.2,30.9,30.7,31.1,31.4,29.9,29.1,28.2
1927,27.7,27.7,28.8,29,30,30.2,30.4,31,31,30.6,29.3,28.8
1928,27.5,29,29.1,28,30.5,30.2,30.5,30.4,30.8,30.4,30,28.2
1929,27.9,28,27.8,28.6,28.7,29.6,31,30.3,30.5,30.7,29.7,29
1930,27.8,28.1,29.1,29.4,30.4,30.1,31,31.5,31,30.8,30,29.6
1931,28.8,28.7,30.8,29.8,31.1,31.2,31.2,31.2,30.7,30.3,29.3,28.5
1932,27.9,28,30,29,29.8,30.7,30.8,31.1,31.5,31.2,30.3,29.6
1933,28.7,27.8,28.3,29.4,30.6,31.3,31,31.2,31,30.7,29.6,29.6
1934,29.2,28.4,29.6,29.9,30.2,30.5,30,30.7,31,31.4,30.1,28.4
1935,28.3,27.6,28.5,29.5,30,30.4,31.3,31.1,31.3,30.5,29.7,28.7
1936,28.9,28.9,28.9,29.2,29.9,30.8,30.6,30.5,31,30.6,30,28.4
1937,26.6,27.4,29,28.6,30.5,30.8,30.9,31.1,30.9,30.4,31,28.5
1938,28.4,27.7,28.2,28.2,29.8,30.1,30.8,30.8,31.5,30.8,29.1,28.6
1939,28.4,28.3,27.7,28.3,29.6,29.6,30.9,31.6,31.6,31.3,30.3,29
1940,28.7,28.5,29.1,29.6,30.2,30.6,31.4,31.8,32.1,31.1,30.4,29.5
1941,28.5,29.9,29.9,29.7,30.3,30.7,30.1,31.3,31.4,31.3,30.9,29
1942,29.2,28.8,30.1,29.2,30.6,30.7,30.9,31.7,31.4,31.8,30.7,29.4
1943,28.3,28.2,28.5,28.9,29.3,29.5,30.2,30.6,31.7,30.9,30.4,28.2
1944,28.6,28.4,29,29.7,29.3,29.9,30.1,30.5,31.6,30.8,29.2,27.7
1945,27.3,27.3,27.8,27.8,29.1,30.3,30.2,30.7,30.6,30.5,29.6,29.2
1946,28.2,27.5,28.7,28.7,29.3,29.8,30.5,30.7,31,30.7,29.3,28.2
1947,26.8,28.4,30,28.9,30.1,30.5,30.9,31.4,31.2,31.4,30.6,28.7
1948,28.1,28,28.3,28.3,30.2,30.9,30.7,31.4,31.1,31.3,30.6,29
1949,26.7,27,27.7,29.3,30,30.3,30.5,31.2,31.3,30.5,30.4,28.3
1950,27.5,27.6,28.7,28.8,30.1,30.3,30.7,30.8,31,31.3,29,28.4
1951,27.2,26.8,27.1,29.3,30.4,30.7,31.1,32,32.2,31.3,30.4,28.5
1952,27.3,27.7,29.3,28.9,30.3,30.8,30.1,31.4,31.3,31.4,28.8,27.8
1953,28.2,28.2,28.6,29.5,30.1,30.4,30.8,31.2,31.2,31.1,30.5,28.5
1954,27.8,27.9,29.2,28.6,30.1,29.9,30.7,30.9,30.7,29.9,29.7,28.4
1955,27.7,27.3,27.6,28.5,29.2,29.9,30.3,31,31.1,30.4,29.9,28.6
1956,27.2,26.7,28.1,28.1,29.3,29.7,30.4,31,31.6,30.7,29.4,27.7
1957,27.1,28.4,29.4,29.2,30.5,30.3,30.6,31.1,31.4,31.1,29.5,28.6
1958,27.7,27.4,30.3,30,29.7,30.3,30.2,31.3,31.4,30.9,29.8,29.4
1959,28,28.6,30.5,28.9,29.1,30.5,31,31.1,31.8,31.2,30.3,29.7
1960,29.2,29.2,29.2,29.3,30.8,31,31,31,31.1,31.4,30.8,27.9
1961,28.4,28.4,28.7,29.5,30.8,30.3,30.5,31.4,31.6,30.9,29,28.9
1962,28.2,28,28.6,29,29.6,30.6,31.6,31.7,31.7,31.6,30.5,29.2
1963,28.2,29,29,29,29.6,31,31,31.9,31.6,31.5,30.5,31
1964,29.4,29.8,30,29.1,31.4,31.2,31.1,31.6,31.9,31.2,30.3,27.8
1965,27.2,27.9,29.2,28.9,28.9,29.7,30.7,30.8,31.8,31.4,29.9,28.4
1966,28.7,27.9,28.7,29.1,29.8,30.3,31,31.3,31.1,30.6,29,27.9
1967,28.4,28.4,28,28.4,30.1,31.2,31.1,31.8,31.8,31.4,30.7,29.2
1968,28.6,28.9,28.7,28.9,30.6,30.7,31,31.9,32.1,32.2,30.7,28.6
1969,28,28.1,29.4,30.3,31.1,31.8,31.3,31.7,31.6,31.8,29.6,28.6
1970,28,28.3,29.5,30.5,30.4,30.2,30.9,31.4,31.8,31.5,30.4,28.3
1971,28.5,28.6,30,30.2,31,32.2,32.3,32.6,33.4,31.3,30.9,29.1
1972,29.1,29.8,29.8,30,30.7,31.8,31.6,31.6,31.6,31.2,30.8,29.5
1973,29.6,29.1,29.6,30.9,31.6,31.2,32.3,32.2,32.4,32.5,30.9,28.1
1974,27.9,28.5,28.9,29.7,30.6,31.8,32.6,32.2,32,31.4,29,28.5
1975,27.6,28.9,29.5,31,31.2,32.1,32.1,32.5,31.9,31.4,30.6,28.9
1976,27.9,28.2,28.5,29.2,30.9,31.7,32.2,33.1,31.8,30.8,31.5,29.7
1977,28,29.2,30,30.4,30.9,31.4,31.3,30.5,30.8,31.8,30.9,29.8
1978,28.4,28.4,29.7,29.5,30.6,31.1,31.3,31.8,33.1,32.1,30.6,29
1979,27.4,28.9,28.4,29,30.6,30.9,32,32.2,31.1,31.8,30.6,29.2
1980,28.3,28.7,30,30.7,31.3,32.5,31.7,31.9,32.6,32.4,31.6,29.8
1981,28,29.4,29.4,29.3,31.1,31.6,32.6,32.2,31.6,32,30.9,28.9
1982,28.8,28.7,29.9,30.6,28.6,31.5,32,32.9,33,32.4,30.7,28.7
1983,29.5,30.5,31.2,30.6,30.3,32.6,32,32.4,32.2,32,31.1,30.2
1984,29.3,29.1,30.6,31.6,30.6,30.8,31.4,31.7,31.3,30.8,29.4,28.3
1985,28.8,28.4,27.9,29.2,30.6,31.7,32.4,32,31.1,29.7,28.9,28.7
1986,28,28.8,29,29.4,29.3,30.6,31.1,31.5,31.4,30.7,29.1,28.9
1987,28.3,29.1,29.5,30.4,29.8,30.4,31,31.9,32.1,31.5,29.4,29.6
1988,29.1,28.4,29.7,30.4,31.4,32.1,32.2,31.8,31.6,31.5,30.7,28.5
1989,28.1,28.2,29.2,29.9,31,31.5,31.2,32.1,31.9,31.9,30.6,30.7
1990,28.7,28,28.5,29.9,31.8,31.9,32.5,32.6,33.3,31.3,31,28.6
1991,28.8,28.9,29.8,30.1,30.9,31.7,31.7,31.9,32.2,31.6,30,29.2
1992,28.4,29.4,29.7,30.3,29.9,31.8,31.6,32.3,31.9,32.1,30.5,29.4
1993,28.1,29,29.6,30.3,30.5,31.4,31.7,32.6,32.4,32.6,30.4,29.7
1994,28.8,29.5,30.4,30.2,31.9,32.2,32.1,32.9,32.7,32.3,31.6,30.1
1995,29.2,29.9,29.5,31.2,30.9,32.5,32.7,33,33,32.1,30.9,30.4
1996,29.2,30,30,30.5,30.2,31.5,31.6,32,32.6,32,30,27.6
1997,27.6,27.7,28.8,30,31.2,31.9,32.7,32.2,32.3,31.2,31.5,29.2
1998,30.1,29.6,29.6,29.6,30.7,31.4,31.2,31.7,31.8,32.1,29.5,29.3
1999,28.6,28.2,29.7,30.5,30.9,30.7,30.5,31.6,31.5,30.6,29,27.2
2000,27.1,28,28.4,29.9,30.4,30.9,32.2,32,31.4,30.9,29.7,29.5
2001,28.5,28.6,30,30.3,31.8,32.1,31.8,32,31.4,31,29.4,28.8
2002,28.9,29.2,29.7,28.9,30.1,31.1,31.2,32.7,31.1,32,31.7,28.1
2003,28.7,28.6,30.2,28.9,30.4,30.6,30.6,30.7,31.1,31.9,29.6,28
2004,28.1,28.6,28.9,29.4,29.6,31.6,31.6,32.3,32.1,31.4,30,29
2005,27.7,27.5,30,30.7,30.9,31.9,32.2,32.3,32.6,31.2,30.4,28
2006,27.4,28.1,29.4,29.6,31.1,31.7,31.4,31.8,32.5,32,30.8,29.2
2007,28.3,29.5,30,29.9,31.4,32,31.9,32,32,31.3,30,28.5
2008,27.7,28.5,28.9,29.3,30.6,31.3,31.7,32.3,31.7,31,30,28.6
2009,28.7,28.7,28.7,29.7,30.1,31.6,32.5,32.7,32.7,32.6,30.2,30
